#!/bin/bash

#a=1
#while [ $a -le $1 ]
#do
#	sum2=$[ $sum2 + $a ]
#	a=$[ $a + 1 ]
#	let sum2+=a
#	let a++
#	echo $sum2
#done;

read -t 10 -p "请输入宁德名字" name
echo "welcome $name"
